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services and scheduled jobs. Aurora runs applications and services through a shared pool of machines, and is responsible for keeping them running for ever. When the machine fails, Aurora intelligently re-plans these jobs to a healthy machine.VagrantVagrant is a ruby-based tool for creating and deploying virtualized development environments. It uses Oracle's Open source VirtualBox virtualization system to create automated virtual environments using chef.PackerPacker is an open source tool for cr

interface to install software that makes deployment easier. Panamax also offers a rich container template that makes it possible to create services online. For example, to Digitalocean to apply for a host, install a set of Panamax boot for the background service. Then, through the Panamax Web interface to install Nginx, Mysql, Redis and other service images, so as to quickly build a production environment of the application scenario. All of the opera

Download foreign resources at home sometimes very slow, such as I want to download a liteide, not only slow download, and may download to the middle of the broken, but also have to re-download. Sometimes I will be in the 115 network disk use offline download, as if it is a BT download some resources if 115 already exist will be very fast, but for some other files, download speed is very slow, often looking for resources, sometimes I will also use Baidu offline download network disk, anyway is no

", with an understanding of the essence of CoreOS and recommended practices. This article is based on the first article: CoreOS Overlook. Author Profile:Linfan, an IT siege lion born in Gen Y, thoughtworks Chengdu Office Cloudops team member, usually likes to study devops-related applications in his spare time and is currently preparing for AWS Certification and promotion of Docker-related technologies. IntroductionIt is believed that many people are beginning to understand that Core

Add Swap to CentOS DigitalOcean has been used for a long time. A process was killed when PHP was compiled a few days ago. After I spoke with others, I found that the memory was exhausted. In fact, it was because the MySQL process at that time consumed a lot of memory, and later felt it was necessary to manually add Swap (Swap partition), so as to avoid the process being K when compiling or something later.In Linux, Swap (Swap partition) is similar to

How to upgrade Docker in UbuntuAbstract: In the article "experience DigitalOcean VPS cloud service", we have built a Ubuntu 14.04 VPS operating system environment, and use the Docker package (docker. i/O) after Docker is installed, but the installed version is 1.0.1, some new features are unavailable (for example, docker exec). This article records the latest Docker upgrade method.First Installation Method: (apt-get) Apt-get install-y docker. ioln-sf

How to upgrade Docker in Ubuntu Abstract: In the article "experience DigitalOcean VPS cloud service", we have built a Ubuntu 14.04 VPS operating system environment, and use the Docker package (docker. i/O) after Docker is installed, but the installed version is 1.0.1, some new features are unavailable (for example, docker exec). This article records the latest Docker upgrade method. First Installation Method: (apt-get) Apt-get install-y docker. io

This article is from DigitalOcean. I translated it and tested and installed it successfully. Installation environment: Debian7 64-bit First, update your source: $ sudo apt-get updateStep 1-install Apache Apache is an open-source software that runs on more than 50% of servers worldwide and is part of LAMP (Linux, Apache, MySQL, and PHP. Install Apache: $ sudo apt-get install apache2 After the installation is complete, you can enter http: // localho

Recently, we started to connect Linode and DigitalOcean VPS. the Linux systems provided in these products are the "least secure ", so I want to see if the GNOME desktop can be installed, and then connect to the terminal desktop with xrdp desktop.Security and desktop environments Yum itself provides the groupinstall method for the security kit. First, run the following commands to check which KIT groups are available: yum grouplist | more The names of

Install Apache, Mysql, and PHP in CentOS6. 1. install Apache Enter the following command in the terminal to install Apache: sudo yum install httpd Sudo indicates what operations are performed by the root user. Click y to download and install it, which is very convenient. Run the following command to start the service: sudo service httpd start Now you don't have to worry about it. simply enter the IP address that DigitalOcean gave yo

AWS provides a wide variety of mirrors for users, but in most cases the AMI provided in the community do not fully meet our needs, such as the more disgusting some mirrored root partitions are only 10g, so we generally use the community's public image to create a EC2, And then configure her, and then hit a mirror for the project, Packer can make us more automated to generate AMI, we can write the original image and all the configuration of the contents of a template file, and then give Pakcer, P

do not have the version we need, and do not support self-service installation system, the need for TK installation, it is more troublesome.Technical Framework RequirementsTechnical architecture, generally have kvm\ovz\xen architecture, from the cost-effective, Kvm\xen ultra-sale Less, we need to build a better station. If it is toss, OVZ is cheaper. But the components supported by different architectures are different, for example, we need to build some tools that need to be based on some archi

| awk ‘{ print $1; }‘`] (\d - \t)\n\w \$ "fiunset color_prompt force_color_promptSave and exit when you are finished.Now, when you log out and log back in, our prompt will change based on the value you set.SummarizeWe can personalize the configuration in a variety of ways, and color-coded display of specific items also helps to keep an eye on important content in the process.Another popular practice is to provide the root user with special effect hints to remind you that you are currently in pr

IntroductionJava is a programming technology originally developed by Sun Microsystems and later acquired by Oracle. Oracle Java is a proprietary implementation for Java that's free to download and use for commercial use, but not to Redis Tribute, therefore it is not included in a officially maintained repository.There is many reasons why do you would want to install Oracle Java over OpenJDK. In this tutorial, we'll not discuss the differences between the above mentioned implementations.Assumptio

System Requirements: Centos/rhel/fedora/debian/ubuntu/raspbian Linux System More than 3GB of hard disk space required Requires more than 128MB of memory (if 128MB of small memory vps,xen need to have swap,openvz at least 128MB above the Vswap or burst memory), note that small memory do not use 64-bit system! install MySQL 5.6 or 5.7 and MARIADB 10 must be more than 1G RAM!. The VPS or server must already be networked, and must be set to the network source can not be the op

The use of Digitalocean for a long time, a few days ago in the compilation of PHP when the process was killed situation, after my spit and communicate with others found that the reason for the memory exhaustion. In fact, because the MySQL process at that time consumed a lot of memory, and then feel the need to manually add swap (swap partition), so as not to compile any later when the process is K.On Linux swap (swap partition), similar to the virtual

connection VPN, for example, iOS. The above L2TP one-button installation package is also based on Openswan + XL2PTD source code compiled, I was also reference GKP build VPN, at that time with the 64-bit CentOS 6.2, has been unsuccessful. Now the space moved, I simply put the Linode system reinstall the 32-bit CentOS 5.6来 do the experiment. Based on Ipsec-tools installationSome say there is a problem with Openswan to install L2TP vpn,android connections. (Original: As Openswan is reported has

Why is it necessary to build a private registry? Well, for starters, the Docker Hub (a docker public warehouse) only allows you to have a free private version of the library (repo). Other companies are starting to offer similar services, but the price is not cheap. In addition, if you need to deploy an application for a production environment with Docker, I'm afraid you don't want to put these mirrors on the open Docker hub! This article provides a very practical way to deal with the intricacie

System requirements: Centos/rhel/fedora/debian/ubuntu/raspbian Linux system requires more than 5GB of hard disk space required more than 128MB memory (if 128MB of small memory vps,xen need to have swap, OpenVZ must have at least 128MB of Vswap or burst memory), note that small memory do not use 64-bit system. Install MySQL 5.6 or 5.7 and MARIADB 10 must be more than 1G RAM!. The VPS or server must be networked, and the network source must be set to not be the optical source, while the vps/server

If your server is always reporting low memory, and often because the service is forced to kill because of insufficient memory, without adding physical memory, enabling the swap Swap area as virtual memory is a good choice, I buy the Digitalocean VPS 512M memory is basically not enough , fortunately, the VPS used by the hen SSD, normal read and write speed above 300mb/s, enable swap after the performance improved a lot, especially in the processing of